Basic Functional Electrical Models

Type	Description	Source
Absolute Voltage	output provides the absolute voltage of the input	V_absolute.va
Voltage Adder	sum of voltages at all input terminals is applied at the output	V_adder.va
Voltage Multiplier	product of voltages at all input terminals is applied at the output	V_multiplier.va
Voltage Divider	ration of input voltages are supplied at output	V_divider.va
Voltage Differentiate	differential of the input voltage is applied to output	V_differentiator.va
Voltage Integrator	integral of the input voltage is applied to output	V_integrator.va
Voltage Limited Integrator	limited integral of the input voltage is applied to output	V_limited_integrator.va
Continuous Comparator	continuous compactor using tanh to compare voltage at terminal "in" versus voltage at terminal "ref"	continous_comparator.va
PWL Comparator	piecewise linear comparator to compare voltage at terminal "in" versus voltage at terminal "ref"	pwl_comparator.va
Single-Differential Line Converter	single to differential line converter	V_single_differential_conv.va
Voltage Level Shifter	voltage level shifter	V_level_shift.va
Current Level Shifter	current level shifter	I_level_shift.va
Voltage Peak Detector	voltage peak detector	V_peak_detector.va
Current Peak Detector	current peak detector	I_peak_detector.va
Period Measurement Model	period measurement model	period_measure.va

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Absolute Voltage

Module Name V_absolute.va	V_absolute
Terminals	in: input terminal : input voltage out: output terminal : output voltage
Parameter

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Voltage Adder

Module Name V_adder.va	V_adder
Terminals	in: input terminal vector : input [1:adder_size] voltage out: output terminal : output voltage
Parameter	adder_size = 2 (adder_size >= 2)

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Voltage Multiplier

Module Name V_multiplier.va	V_multiplier
Terminals	in: input terminal vector : input [1:multiplier_size] voltage out: output terminal : output voltage
Parameter	adder_size = 2 (multiplier_size >= 2)

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Voltage Divider

Module Name V_divider.va	V_divider
Terminals	numer: numerator input terminal : input voltage denom: denominator input terminal : input voltage out: output terminal : output voltage
Parameter	min_denom : minimum value for denominator = 1n from (0:inf)

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Voltage Differentiator

Module Name V_differentiator.va	V_differentiator
Terminals	in: input terminal : input voltage out: output terminal : output voltage
Parameter	kd : differentiation coefficient (kd*ddt(..)) = 1

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Voltage Integrator

Module Name V_integrator.va	V_integrator
Terminals	in: input terminal : input voltage out: output terminal : output voltage
Parameter	ki : integration coefficient (1/ki*idt(..)) = 1 dcval : inital condition for integral

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Voltage Limited Integrator

Module Name V_limited_integrator.va	V_limited_integrator
Terminals	in: input terminal : input voltage out: output terminal : output voltage
Parameter	ki : integration coefficient = 1 dcval : inital condition for integral = 0 lower_limit : lower limit for output voltage = -1 upper_limit : upper limit for output voltage = 1

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Continous Comparator

Module Name continous_comparator.va	continous_comparator
Terminals	in: input terminal : input voltage ref: reference terminal : input voltage out: output terminal : output voltage
Parameter	output_high : maximum output voltage = 5 output_low  : minimum output voltage = 0 slope           : coefficient used for tanh

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Piecewise Linear Comparator

Module Name pwl_comparator.va	pwl_comparator
Terminals	in: input terminal : input voltage ref: reference terminal : input voltage out: output terminal : output voltage
Parameter	output_high : maximum output voltage = 5 output_low  : minimum output voltage = 0 vhysteresis : hysteresis voltage tdelay : delay time between crossing of V(in) and V(ref) ttransit : transistion time to change output voltage from one state to the other

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Single to Differential Line Converter

Module Name V_single_differential_conv.va	V_single_differential_conv
Terminals	inp: positive input terminal : input voltage inm: negative input terminal : input voltage outp: positive output terminal : output voltage outm: negative output terminal : output voltage ref: reference terminal : input voltage
Parameter	gain : gain (decimal) = 1

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Voltage Level Shifter

Module Name V_level_shift.va	V_level_shift
Terminals	in: input terminal : input voltage out: output terminal : output voltage
Parameter	vout_offset : dc output offset voltage = 0

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Current Level Shifter

Module Name I_level_shift.va	I_level_shift
Terminals	in: input terminal : input current out: output terminal : output current
Parameter	iout_offset : dc output offset current = 0

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Voltage Peak Detector

Module Name V_peak_detector.va	V_peak_detector
Terminals	in: input terminal : input voltage out: output terminal : output voltage
Parameter

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Current Peak Detector

Module Name I_peak_detector.va	I_peak_detector
Terminals	in: input terminal : input current out: output terminal : output current
Parameter

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Period Measurement Model

Module Name period_measure.va	period_measure
Terminals	in: input terminal : input voltage
Parameter	vth : threshold voltage where period is measured = 0.0

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   Last updated on
   December 11, 1998